31387-2034

Heilind Number:	MOL31387-2034
Manufacturer:	Molex
Manufacturer Number:	31387-2034
Datasheet:	Datasheet
ECAD Model:

Description:

2.54mm Pitch, MX123 Header, 73 Circuits Shrouded Assembly, Qty(72) 0.64mm Square Signal Pins + Qty(1) 2.8mm Power Blade, Harness Side Key Code A, Black (Ag Mate Side Finish)

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Specifications

Attribute	Value
Product Category:	PC Board Pin & Receptacle Connectors PCB Pin Headers
Manufacturer:	Molex
Manufacturer Part Number:	Molex 31387-2034
Color:	Black
Series:	31387 - MX123
Amperage:	11 A
Connector Type:	MX123
Number of Contacts:	73
Number of Rows:	4
Termination Method:	Through Hole
Body Orientation:	Straight
Pitch:	2.54 mm
Voltage:	500 V
Orientation:	Vertical
Keying:	Yes
Tail Length:	6.5 mm
Operating Temperature Range:	-40 - 125 °C
Contact Mating Area Plating:	Silver
Number of Contacts Loaded:	73
PCB Locator:	No
PCB Retention:	Without
Polarized to PCB:	No
Polarized to Mate:	Yes
Connector System:	Wire to Board
Contact Termination Plating:	Tin
Termination Pitch:	2.54 mm
Glow Wire Capable:	No
Guide to Mating Part:	No
Lock to Mating Part:	Yes
Stackable:	No
Surface Mount Compatible:	No
Breakaway:	No
Make First / Break Last:	No
Shroud Type:	Yes
Part Aliases:	0313872034
SKU:	MOL31387-2034

Detailed Description

Enhance connectivity in your electronic assemblies with this MX123 Black 31387 series straight PCB pin header. Designed for reliable performance, it features 73 contacts in 4 rows, with a pitch of 2.54mm, and a 11A amperage rating. The through-hole termination method ensures secure attachment to the PCB, while its vertical orientation and 500V voltage rating make it versatile for various applications. With keying for easy mating, and silver-plated contact mating areas for enhanced conductivity, this header meets stringent quality standards. RoHS compliant and capable of operating in temperatures ranging from -40 to 125°C, it's a dependable choice for your projects.

Product Change Notice

Effective Date	Description of Change	Download
06/30/2025	516260 - Capacity change or tool replacement. Material supplier to Molex Lincoln Nebraska will be adding tooling impacting the product in the attached list. This tooling will be used on material that produces sub components - square pins. There will be no impact to the square pins, or any finished goods produced using the square pins based on the addition of the tooling.	Download
12/19/2024	516385 - Retraction of 516260. retraction for previously released pcn 516260 communicated on 12/12/24 for "material supplier to molex Lincoln nebraska is qualifying an additional rolling mill tool" retraction due to project listed above not moving forward at this time tool not going to be needed for demand	Download
11/11/2022	512815 - Change Supplier. This notification is to inform you that one of Molex’s long standing North American supplier of Trays and Lids is filing for bankruptcy causing Molex to have to change our supplier source in order to continue to provide product to our customers. This will be a packaging supplier change only. There will be no change to the Production Process, Fit, Form or Function of the product packaged in these trays and lids.	Download
09/09/2022	512124 - Change Supplier. This notification is to inform you that a Supplier to Molex Lincoln Nebraska is adding an additional supplier source that will impact the part(s) attached as per list. No changes will be made to product as part of this change. Supplier source to Molex Lincoln Nebraska will be unchanged.	Download
08/03/2022	512438 - Partial retraction of PCN 512124. reason for partial retraction is that material 80010815 & 80010818 should not have been part of PCN 512124 the other material numbers for 512124 are not affected by this partial retraction	Download
07/12/2022	512379 - Retraction of PCN 510147. Cancellation of Resin Supplier Change due to constraints.	Download